Add NEWS.md file

etc/USE-PACKAGE-NEWS

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+# Changes
+
+## 2.4
+
+### Breaking changes
+
+- `use-package` no longer requires `diminish` as a dependency, allowing people
+  to decide whether they want to use diminish or delight. This means that if
+  you do use diminish, you'll now need to pull it into your configuration
+  before any use of the `:diminish` kewyord. For example:
+
+  ``` elisp
+      (use-package diminish :ensure t)
+  ```
+  
+- Emacs 24.3 or higher is now a requirement.
+
+### Other changes
+
+- New `:hook` keyword.
+- Documentation added for the `:after`, `:defer-install`, `:delight`,
+  `:requires`, `:when` and `:unless` keywords.
+- When use-package-inject-hooks is non-nil, always fire init/config hooks.
+- Print key bindings for keymaps in `describe-personal-keybindings`.
+- Allow `:diminish` to take no arguments.
+- Add `:custom (foo1 bar1) (foo2 bar2)` etc., and `:custom-face`.
+- Add `:magic` and `:magic-fallback` keywords.
+- Add `:defer-install` keyword.
+- New customization variable `use-package-enable-imenu-support`.
+- Upgrade license to GPL 3.
+- `:bind (:map foo-map ...)` now defers binding in the map until the package
+  has been loaded.
+- Support multiple symbols passed to `:after`, and a mini-DSL using `:all` and
+  `:any`.
+- `:mode` and `:interpreter` can now accept `(rx ...)` forms.
+
+### Bug fixes
+
+- Repeating a bind no longer causes duplicates in personal-keybindings.
+- When byte-compiling, correctly output declare-function directives.
+- Append to *use-package* when debugging, don't clear it.
+- Don't allow :commands, :bind, etc., to be given an empty list.
+- Explicit :defer t should override use-package-always-demand.
+